*{
    padding:0;
    margin: 0;
    list-style: none;
    box-sizing: border-box;
    text-decoration: none;
}


html,body{
    width: 100%;
    height: 100%;
    background: #000
}
.box{
    width: 700px;
    margin: 0 auto;
}

.header{
    height: 70px;
    background: #333;
    line-height: 70px;
    color: #fff;
}

.header h2{
    font-size: 30px;
    float: left;
}

.header p{
    float: right;
}

.box h3{
    line-height: 40px;
    font-size: 20px;
    color: #FFF;
}
.box h3 span{
    float: right;
}

.box li{
    height: 45px;
    background: #FFF;
    border-left: 5px  solid blue;
    border-radius: 5px;
    margin-bottom: 10px;
    line-height: 45px;
}

.box li input{
    margin: 0 15px;
}
.box li span{
    float: right;
    margin-right: 10px;
}

.clear{
    width: 80px;
    height: 40px;
    margin: 20px auto;
    background: red;
    color: #fff;
    line-height: 40px;
    text-align: center;
    border-radius: 20px;
}